Table 3: Informal time and costs in institutionalized patients.

DiseaseStudyMildModerateModerate to severeSevereTotal
Unit costsInformal care timeInformal costsPercent of TCInformal care timeInformal costsPercent of TCInformal care timeInformal costsPercent of TCInformal care timeInformal costsPercent of TCInformal care timeInformal costs

Max et al. [21]12.824.702,901NS9.305,728NS9.005,542NS
Rice et al. [22]12.974.662,9016.009.205,72811.008.905,54211.60
ADHux et al. [23]6.503.621,200NS4.521,488NS9.973,276NS6.301,985NS
Schnaider Beeri et al. [25]3.0017.252,48514.60
Allegri et al. [27]2.873.024162.80

NS: not specified; Percent of TC: percentage of total costs; unit costs: valuation of one hour of informal caregiving.
All costs are in 2012 USD; informal care time: per week; informal costs: per year; unit cost: unit cost of one hour of informal care.
AD: Alzheimer disease.